Nokea
In urgent situations of supraventricular tachycardia (SVT) when symptoms of severe heart failure have already occurred, the initial management is
- A. adenosine by rapid intravenous push
- B. DC cardioversion
- C. verapamil
- D. digoxin
Correct Answer: B
Rationale: DC cardioversion is the preferred initial management in hemodynamically unstable SVT.
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The most common site of osteosarcoma is:
- A. Femur
- B. Humerus
- C. Pelvis
- D. Skull
Correct Answer: A
Rationale: Osteosarcoma most commonly occurs in the long bones, particularly the femur, near the growth plates in children and adolescents.
Concerning insulin-dependent diabetes mellitus in children:
- A. Microangiopathic changes are rare before puberty
- B. Isophane is shorter acting than soluble insulin
- C. Lipohypertrophy is more common than lipo-atrophy
- D. Fructosamine can be used to monitor glucose control
Correct Answer: A
Rationale: Microangiopathic changes are indeed rare before puberty in children with insulin-dependent diabetes mellitus. Isophane is not shorter acting than soluble insulin, and fructosamine is used to monitor glucose control.
The most appropriate first-line treatment for status epilepticus in a child is:
- A. Diazepam
- B. Phenytoin
- C. Carbamazepine
- D. Valproate
Correct Answer: A
Rationale: Diazepam is commonly used as the first-line treatment in managing status epilepticus due to its fast-acting, long-lasting anticonvulsant effects.
The following enzymes and inhibitors are matched correctly:
- A. Xanthine oxidase-allopurinol
- B. Enolase-fluoride
- C. Cholinesterase-physostigmine
- D. Ceruloplasmin-penicillamine
Correct Answer: A
Rationale: Xanthine oxidase-allopurinol: Allopurinol inhibits xanthine oxidase, which plays a role in purine metabolism, and is used to treat gout and prevent uric acid buildup.
A client with urolithiasis is preparing for discharge after lithotripsy. Which intervention should the nurse include in the client's postoperative discharge instructions?
- A. Prepare for transcutaneous pacing
- B. Deliver another defibrillator shock
- C. Administer IV Epinephrine per ACLS protocol
- D. Give IV dose of adenosine rapidly over 1-2 seconds
Correct Answer: D
Rationale: The client may experience arrhythmia, and the correct intervention is giving IV adenosine to slow the heart rate.